#1140896 akamustang, fizk: Fix $row in "Output code" to show rendered field...

#1140896 akamustang, fizk: Fix $row in "Output code" to show rendered field values. Remove $row and $data in "Value code" because field data gets loaded by entity_load() in pre_render(), which happens after the post_execute() hook is called, as mentioned in #1098512.